Electron hole capture centers in an irradiated K2SO4-Cu crystal
Abstract
The methods of vacuum ultraviolet and thermal activation spectroscopy were used to measure the excitation spectra of impurity radiation in the fundamental absorption band of K2SO4-Cu crystals at 15 K and 300 K. An energy transfer was detected from the base to Cu+ impurities. The band gap of crystals K2SO4 was estimated. In K2SO4-Cu crystals, recombination radiation bands were detected at 2.95 ÷ 3.0 eV corresponding to electron hole capture centers.
Recommended Citation
Nurakhmetov, T. N.; Salikhodzha, Zh. M.; Bakhtizin, R. Z.; Zhunusbekov, A. M.; Kainarbay, A. Zh.; Daurenbekov, D. H.; Sadykova, B. M.; Zhangylyssov, K. B.; and Yussupbekova, B. N. (2019) "Electron hole capture centers in an irradiated K2SO4-Cu crystal," Eurasian Journal of Physics and Functional Materials: Vol. 3: No. 4, Article 5.
DOI: https://doi.org/10.29317/ejpfm.2019030405
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